8 viewing protocol messages and transactions, Viewing protocol messages and transactions – Teledyne LeCroy Merlin - Users Manual User Manual

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126

BTTracer Protocol Analyzer User’s Manual

CATC

SW Version 2.0

The following dialog box will open.

Step 2

Click on a channel assignment and then look at the Connect
and Disconnect buttons on the far right of the dialog box.

If the Connect and Disconnect buttons are grayed-out, it means that
Merlin made the channel assignments using data in the trace. You can
verify that Merlin performed the assignments by looking at the text in the
"Slave Channel" box in the lower left corner of the dialog box. If you
see "Connection Recorded" it means that Merlin performed the channel
assignments.

If Merlin was not able to make these channel assignments, then the
Connect and Disconnect buttons on the right side of the dialog box will
be active. You can then assign and edit channel connections.

Step 3

Open the drop-down menu labeled AM_Addr (Active
Member Address). If possible, select an address other than
the currently displayed address.

The connections for the ’new’ device should now display.

9.8 Viewing Protocol Messages and Transactions

By pressing a button such as

or

, you can cause Merlin to

decode the

protocol data contained within L2CAP messages and display them as
packet-like rows called Protocol Messages. Protocol Messages have
headers marked "protocol" and fields that vary in appearance and content
depending on the type of protocol.

Some Protocol Messages can be grouped into a entity called a Protocol
Transaction
. A Protocol Transaction is a row in a trace that summarizes the
higher level protocol data that is transmitted between a Master and Slave

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